Texas Instruments
Texas Instruments: Multiplication of Integers Repeated Addition and Subtraction
In this activity, students investigate how repeated addition or subtraction is related to multiplication.
Texas Instruments
Texas Instruments: Repeated Skip Counting and Multiplication
Students will explore how to write equivalent repeated addition and multiplication number sentences with the aid of calculators.
OnlineMathLearning.com
Online Math Learning: Addition and Arrays (Grade 2)
A list of suggested activities for addressing CCSS 2.OA.C.4 where students work with arrays and repeated addition. Includes a problem for a 3X5 array and its solution in a video. [8:23]
Texas Instruments
Texas Instruments: Add Them Up
In this activity, students explore the total voltage provided by several batteries in a series to a battery-operated device. They graph scatter plots, understand multiplication as repeated addition, and use a pattern to develop a...
Texas Instruments
Texas Instruments: Constants
Students use the calculator to determine the amount of money that will accumulate in a savings account, if every month a certain sum is deposited in the account. They explore the use of the constant function key on the calculator to make...
Illustrative Mathematics
Illustrative Mathematics: Counting Dots in Arrays
This activity addresses CCSS 2.OA.C.4 where students count dots in an array using repeated addition. This skill lays the foundation for an understanding of multiplication.
Texas Instruments
Texas Instruments: Predictable Patterns With Addition
Students learn to compare numbers. They generate patterns using repeated addends, and different starting points.
Primary Resources
Primary Resources: General Multiplication and Division
A huge collection of teacher resources in basic multiplication and division. Information on multiplication as repeated addition and division as repeated subtraction. Includes worksheets, games, PowerPoint presentations, smartboard...
PBS
Pbs Learning Media: Teaching Tips: Deductive and Inductive Reasoning (1St Grade)
Use these teaching tips from the PBS Kids Lab to help children make sense of problems and persevere in solving them, determine the unknown whole number in an addition or subtraction equations, use addition and subtraction within 20 to...
Illustrative Mathematics
Illustrative Mathematics: My Book of Five
Students will be given double-sided counters/dots to complete this activity. They will take five counters in their cupped hands (or a cup), shake them around, pour them onto the desk. Next, they count how many counters are yellow and how...
E-learning for Kids
E Learning for Kids: Math: Singing Angels: Multiplications and Patterns
Use these interactive activities to explore multiplication and patterns.
PBS
Pbs: Multidigit Multiplication With Standard Algorithm: The Donut Doze Off
In this Cyberchase video, Bianca has a new job decorating fresh-baked donuts. Her supervisor asked her to decorate 12 trays of donuts, but Bianca thought he meant 12 donuts. When she discovers her mistake, she uses multiplication...
NumberNut
Number Nut: Multiplication: 1 to 10
Demonstrates how to use repeated addition to multiply single-digit numbers, how to recognize number patterns that can help with understanding, as well as how to use a multiplication table for facts that need to be memorized. Includes...